electric submersible drilling /electric submersible drilling machine/ electric down-hole drilling ma

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electric submersible drilling /electric submersible drilling machine/ ...

Posting date : Oct 15, 2013

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MINERAL PRODUCTS | Mineral fu

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27-

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product description Electric submersible drilling is impact of rotary drilling rig,The internal structure is different from the general rock drill,Valve and piston reciprocating institution is independent, the impactor ,the front directly ioin the drill bit ,back join the drill pipe ,the impactor go into the holes when working, according to the air distributing device,the piston in the impactor make front and back movement on the drill rig tail ,so the drill bit make a cyclotron force at the hole bottom rock product feature Small size,light weight,apply to the site that arge andmedium-scaled rig can’t finish the work,Convenient and flexible.Down - hole drilling rig uses electricity as the power, low noise, strong power. The speed is 3-8 times as the normal rock drill,the hardness is 9,and the depth is 8-16 mete